Colorado River is named the most endangered river in the United States as the southwestern states face...
A closed boat ramp extends into open air at Lake Powell, where water levels have declined dramatically to lows not seen since the lake was filled in the 1960s as growing demand for its water and climate change shrink the Colorado River and create challenges for business owners and recreation options, in Page, Arizona, U.S., April 19, 2022. REUTERS/Caitlin Ochs
